<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        *{
            margin: 0px;
            padding: 0px;
        }
        #bottom{
            width: 100%;
            height: 20px;
            background-color: #ebf6ff;
            font-size: 10px;
            text-align: center;
            line-height: 20px;
            color: gray;
        }
    </style>
</head>
<body>
<div id="bottom">
    花钱容易挣钱难，要想挣大钱，必须做开发，有钱不要命
</div>
</body>
</html>